Air quality in Walterboro
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
6 µg/m³
WHO guideline 15
PM10
7.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 AM
💨
PM2.5 6 µg/m³
25Good
5:00 AM
💨
PM2.5 5.3 µg/m³
22Good
6:00 AM
💨
PM2.5 4.8 µg/m³
20Good
7:00 AM
💨
PM2.5 4.8 µg/m³
20Good
8:00 AM
💨
PM2.5 4.8 µg/m³
20Good
9:00 AM
💨
PM2.5 4.4 µg/m³
20Good
10:00 AM
💨
PM2.5 4.4 µg/m³
26Good
11:00 AM
💨
PM2.5 4 µg/m³
30Good
12:00 PM
💨
PM2.5 3.7 µg/m³
32Good
1:00 PM
💨
PM2.5 3.8 µg/m³
34Good
2:00 PM
💨
PM2.5 4 µg/m³
35Good
3:00 PM
💨
PM2.5 4.1 µg/m³
36Good
Next few days
daily max · US EPA AQI
Tue
💨
Good · UV Very high
37
Wed
💨
Good · UV Very high
36
Thu
💨
Good · UV Very high
27
Fri
💨
Good · UV Very high
35
Sat
💨
Good · UV Very high
19